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zakthor zakthor is offline
Join Date: Jun 2010
Location: beaux arts, wa
Posts: 499
I got to drive a 911 that had had its airbox 'drilled' and the throttle response was excellent. I've also heard it makes no difference, just acoustic change.

If I had a spare i'd drill it and see if I could tell the difference.

By drill I mean make extra intake holes into the prefilter area.
Old 02-12-2017, 10:04 AM
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